<template>
  <view class="my-settle-container">
    <label class="radio" @click="changeAllState">
      <radio color="#C00000" :checked="isFullCheck" /><text>全选</text>
    </label>
    <view class="amount-box">
      合计：<text class="amount">￥{{checkedGoodsAmount}}</text>
      
    </view>
    <view class="btn-settle" @click="settlement">
     结算（ {{checkedCount}}）
    </view>
  </view>
</template>

<script>
  import {mapGetters,mapMutations,mapState} from 'vuex' 
  export default {
    name:"my-settle",
    data() {
      return {
        seconds:3,
        timer:null
      };
    },
    computed:{
      ...mapState('m_cart',['cart']),
      ...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
      ...mapGetters('m_user',['addstr']),
      ...mapState('m_user',['token']),
      isFullCheck(){
        return this.total=== this.checkedCount
      }
    },
      
    methods:{
      ...mapMutations('m_cart',['updateAllGoodsState']),
      ...mapMutations('m_user',['updateRedirectInfo']),
      changeAllState(){
        this.updateAllGoodsState(!this.isFullCheck)
      },
      settlement(){
        if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品')
        if(!this.addstr) return uni.$showMsg('请选择收货地址')
        // if(!this.token) return uni.$showMsg('请先登录')
        if(!this.token) return this.delayNavigate()
        this.payOrder()
      },
     // 微信支付
     async payOrder() {
       // 1. 创建订单
       // 1.1 组织订单的信息对象
       const orderInfo = {
         // 开发期间，注释掉真实的订单价格，
         // order_price: this.checkedGoodsAmount,
         // 写死订单总价为 1 分钱
         order_price: 0.01,
         consignee_addr: this.addstr,
         goods: this.cart.filter(x => x.goods_state).map(x => ({ goods_id: x.goods_id, goods_number: x.goods_count, goods_price: x.goods_price }))
       }
       // 1.2 发起请求创建订单
       const { data: res } = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
       if (res.meta.status !== 200) return uni.$showMsg('创建订单失败！')
       // 1.3 得到服务器响应的“订单编号”
       const orderNumber = res.message.order_number
     // console.log(orderNumber);
        // 2. 订单预支付
    // 2.1 发起请求获取订单的支付信息
      const { data: res2 } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', { order_number: orderNumber })
      // 2.2 预付订单生成失败
      if (res2.meta.status !== 200) return uni.$showError('预付订单生成失败！')
      // 2.3 得到订单支付相关的必要参数
      const payInfo = res2.message.pay
      // console.log(payInfo);
        // 3. 发起微信支付
        // 3.1 调用 uni.requestPayment() 发起微信支付
           const [err, succ] = await uni.requestPayment(payInfo)
           console.log(err);
           // 3.2 未完成支付
           if (err) return uni.$showMsg('订单未支付！')
           // 3.3 完成了支付，进一步查询支付的结果
           const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber })
           // 3.4 检测到订单未支付
           if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！')
           // 3.5 检测到订单支付完成
           uni.showToast({
             title: '支付完成！',
             icon: 'success'
           })
      },
      delayNavigate(){
        this.seconds=3
        this.showTips(this.seconds)
        // 倒计时
        this.timer=setInterval(()=>{
          
          this.seconds--
          if(this.seconds<=0){
            clearInterval(this.timer)
            uni.switchTab({
              url:'/pages/my/my',
             success: () => {
               this.updateRedirectInfo({
                 openType:'swichTab',
                 from:'/pages/cart/cart'
               })
             }
            })
            return
          }
          this.showTips(this.seconds)
        },1000)
      },
      showTips(n){
        uni.showToast({
          icon:'none',
          title:'请先登录再结算'+n+'秒后自动跳转到登录页',
          mask:true,
          duration:1500
        })
      }
    }
  }
</script>

<style lang="scss">
.my-settle-container{
  position: fixed;
  width: 100%;
  height: 50px;
  bottom: 0;
  background-color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 10px;
  .radio{
    display: flex;
    align-items: center;
  }
  .amount-box{
    .amount{
      color: #c00000;
    }
  }
  .btn-settle{
    box-sizing: border-box;
    padding: 10px;
    height: 100%;
    line-height: 30px;
    text-align: center;
    min-width: 100px;
    background-color: #c00000;
  }
}

</style>